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Finding the Fourth Proportional to 474,007.90, 711,010.23 and 158,464.30

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Solution

The fourth proportional to 474,007.90, 711,010.23 and 158,464.30 is: 237,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,007.90 : 711,010.23 = 158,464.30 : x
  2. Step 2: Convert to fraction form
    474,007.90/711,010.23 = 158,464.30/x
  3. Step 3: Cross multiply
    474,007.90x = 711,010.23 × 158,464.30
  4. Step 4: Simplify right side
    474,007.90x = 112,669,738,389.79
  5. Step 5: Solve for x
    x = 112,669,738,389.79/474,007.90
  6. Step 6: Final answer
    x = 237,695.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.